ZacP Posted September 29, 2020 Share Posted September 29, 2020 Hi All, I know this is a bit of a how long is a piece of sting question, but out of your actual building cost (so excluding plot purchase and professional fees) how much did you spend getting to weather proof? i.e. superstructure, roof, windows/doors fitted? To try and standardise it a bit I thought as a % of total build cost would give an idea. Thanks! Link to comment Share on other sites More sharing options...
Mr Punter Posted September 29, 2020 Share Posted September 29, 2020 About 55%. Depends a bit on if you first fix inside before. Also you may have a timber frame with windows and roof fitted but no brickwork / gutters etc. Service connections can be costly. 1 Link to comment Share on other sites More sharing options...
ZacP Posted September 29, 2020 Author Share Posted September 29, 2020 @Mr Punter Thanks. We're going down the ICF route (no space on site for timber frame erection). Services on site already due to existing building. Just have to have them moved and reconnected at the end (he says - its that easy!). Link to comment Share on other sites More sharing options...
Conor Posted September 29, 2020 Share Posted September 29, 2020 (edited) Looking at about £145k for us to get watertight - inc ground works but excluding design, planning, BC fees etc. (£15k ground works, £75k walls/floors, £25k roof, £30k doors and windows.) That's about 60% of our budget. That's for a 300m2 ICF 1.5 story house with basement, built to passive standards. Edited September 29, 2020 by Conor 4 Link to comment Share on other sites More sharing options...
ZacP Posted September 29, 2020 Author Share Posted September 29, 2020 Thanks @Conor! Link to comment Share on other sites More sharing options...
markc Posted September 29, 2020 Share Posted September 29, 2020 9 minutes ago, Conor said: Looking at about £145k for us to get watertight - inc ground works but excluding design, planning, BC fees etc. (£15k ground works, £75k walls/floors, £25k roof, £30k doors and windows.) That's about 60% of our budget. That's for a 300m2 ICF 1.5 story house with basement, built to passive standards. Thats good to hear (read), my girlfriend and i were discussing cost to get water tight a few days ago (we are still looking for a plot) and were hoping for similar figures doing a lot of the work and project management ourselves. Link to comment Share on other sites More sharing options...
Conor Posted September 29, 2020 Share Posted September 29, 2020 @markc and @ZacP thats in Northern Ireland btw - you'll need to adjust for your areas. 1 Link to comment Share on other sites More sharing options...
Gone West Posted September 29, 2020 Share Posted September 29, 2020 2 hours ago, ZacP said: To try and standardise it a bit I thought as a % of total build cost would give an idea. Ours worked out at 64% for a PH. Link to comment Share on other sites More sharing options...
nod Posted September 29, 2020 Share Posted September 29, 2020 2 hours ago, ZacP said: Hi All, I know this is a bit of a how long is a piece of sting question, but out of your actual building cost (so excluding plot purchase and professional fees) how much did you spend getting to weather proof? i.e. superstructure, roof, windows/doors fitted? To try and standardise it a bit I thought as a % of total build cost would give an idea. Thanks! We spent 90 of the 190k spent Link to comment Share on other sites More sharing options...
ZacP Posted September 29, 2020 Author Share Posted September 29, 2020 Ok so thanks for your replies so far. A surprisingly large spread: 47%55%, 60% 64%. For us could mean anything from £141k to £192k. We have planned 15k for demolition 20k for groundworks (insulated raft) 45k for structural walls (ICF inc. rebar, concrete etc) 12k for floors/stairs 28k for roof and tiling 24k for windows Comes to £144k. + contingency = £158,400 Guess I'm on the right track! Thanks! Link to comment Share on other sites More sharing options...
Conor Posted September 29, 2020 Share Posted September 29, 2020 4 minutes ago, ZacP said: Ok so thanks for your replies so far. A surprisingly large spread: 47%55%, 60% 64%. For us could mean anything from £141k to £192k. We have planned 15k for demolition 20k for groundworks (insulated raft) 45k for structural walls (ICF inc. rebar, concrete etc) 12k for floors/stairs 28k for roof and tiling 24k for windows Comes to £144k. + contingency = £158,400 Guess I'm on the right track! Thanks! The ratio entirely depends on how much you spend fitting out the house... You can spend £5k or £50k on a kitchen. Your estimate seems good tho £15k for demolition is a lot, unless it's a large, difficult building. Link to comment Share on other sites More sharing options...
ZacP Posted September 29, 2020 Author Share Posted September 29, 2020 13 minutes ago, Conor said: £15k for demolition is a lot, unless it's a large, difficult building. Only 80sqm timber bungalow.V limited ability to get plant on/off site. Still working out how to do it, otherwise will have to be done by hand. Gulp! Or just a large bonfire might happen by accident! Guessing most self builders go for a slightly higher than average spec. Think we will do something similar. Link to comment Share on other sites More sharing options...
dpmiller Posted September 30, 2020 Share Posted September 30, 2020 how will access effect the rest of the build? Link to comment Share on other sites More sharing options...
ZacP Posted September 30, 2020 Author Share Posted September 30, 2020 (edited) @dpmiller We're using lightweight building materials; icf (pumped concrete from road alongside site, pozi joists etc and can use a telehandler to get 'heavy' materials on to site. Getting things on to site is easier (downhill) then getting them offsite (uphill). Going to be using a conveyor for getting spoil up the slope and into waiting skips/grab trucks. Tricky but doable. Edited September 30, 2020 by ZacP Link to comment Share on other sites More sharing options...
Gone West Posted September 30, 2020 Share Posted September 30, 2020 11 hours ago, ZacP said: Only 80sqm timber bungalow. Same as ours. The most expensive part was the asbestos removal. Link to comment Share on other sites More sharing options...
ZacP Posted September 30, 2020 Author Share Posted September 30, 2020 Just now, PeterStarck said: Same as ours. The most expensive part was the asbestos removal. @PeterStarck if you don't mind me asking, how much was the asbestos removal? I've allocated £3k, but havent got prices yet, so it's a bit of a guess. Link to comment Share on other sites More sharing options...
Gone West Posted September 30, 2020 Share Posted September 30, 2020 @ZacP it was £4400 which was the cheapest by a long way. This was for removal and disposal of all the 8'x4' chrysotile asbestos wall sheets that lined all the internal walls and ceilings and for the disposal of the roof slates which I removed. Link to comment Share on other sites More sharing options...
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